If a ship is trying to sail from the eastern United States to Europe, what route would be the most

efficient to take?
a. A southern route to take advantage of the easterlies
b. A southern route to take advantage of the westerlies
c. A northern route to take advantage of the easterlies
d. A northern route to take advantage of the westerlies


ANS: D
The most efficient route to sail from the United States to Europe is a northern route. This allows the
ship to use the prevailing westerlies. In the reverse journey, a southern route would ensure the use of
the more dependable Easterly trade winds. Information can be found in the section Voyaging
Combined with Science to Advance Ocean Studies.

Environmental & Atmospheric Sciences

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